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Environ Sci Pollut Res Int. 2019 Apr;26(11):11224-11233. doi: 10.1007/s11356-019-04571-x. Epub 2019 Feb 22.

Phthalate pollution driven by the industrial plastics market: a case study of the plastic market in Yuyao City, China.

Wu Y1,2, Sun J1,2, Zheng C1,2, Zhang X1,2, Zhang A3,4, Qi H5.

Author information

1
International Joint Research Center for Persistent Toxic Substances, College of Environment, Zhejiang University of Technology, Hangzhou, 310014, China.
2
Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, Zhejiang University of Technology, Hangzhou, 310014, China.
3
International Joint Research Center for Persistent Toxic Substances, College of Environment, Zhejiang University of Technology, Hangzhou, 310014, China. azhang@zjut.edu.cn.
4
Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, Zhejiang University of Technology, Hangzhou, 310014, China. azhang@zjut.edu.cn.
5
Department of Environmental Engineering, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin, 150001, China.

Abstract

In attempts to evaluate the environmental risk produced by plastic markets, the levels and congener profiles of phthalate esters (PAEs) in soil, vegetable, and sediment samples collected from the plastic market in China, where numerous plastic products are exchanged every year, were investigated. The concentrations of ∑22PAEs ranged from 2131 to 27,805 ng g-1 in agricultural soils, from 8023 to 37,556 ng g-1 in vegetables and from 9031 to 87,329 ng g-1 in sediments. The predominant PAE pollutants were di-(2-ethylhexyl) phthalate (DEHP), di-n-butyl phthalate (DnBP), di-isobutyl phthalate (DiBP), and dibenzyl phthalate (DBzP). The mean percentages of the predominant PAEs in the soil, vegetable, and sediment samples accounted for 98.4%, 97.3%, and 99.5% of the total PAEs, respectively. The concentrations of PAEs at the sites around the plastic market were significantly higher than those at other pollution sites, such as sites contaminated by agricultural plastic film, electronic waste (e-waste) recycling sites, and industrial parks, indicating that the plastic market was an important pollution source. The DEHP concentrations in the soils, vegetables, and sediments and the DnBP concentrations in the vegetables all exceeded the environmental risk levels (ERL) or the environmental allowable levels (EAL), indicating that the plastic market posed potential environmental risks.

KEYWORDS:

Environmental allowable level; Environmental risk; Environmental risk levels; Phthalate esters; Plastic market

PMID:
30796663
DOI:
10.1007/s11356-019-04571-x
[Indexed for MEDLINE]

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